It is not essential to wait for the Form I-130 http://sunnyydayy.com/Eey3amdO to be approved before you file the I-485.Change of Position:K-3 plus K-4 visa slots cannot change their particular status to any other nonimmigrant visa category while in the US.Ssn:K-3 and K-4 visa slots will have to receive their own EAD before they can apply for a Ssn.